您要查找的是不是：
- Persistent retinal folds 续存性视网膜褶
- retinal folds,6 eyes;and new or aggravating of PVR in all cases.The successful rate of reoperation was 80%. 结论:增殖性玻璃体视网膜病变（PVR）形成或加重是视网膜脱离复发最重要的原因。
- Fog will persist throughout the night. 雾将整夜不散。
- Tack the folds down before you sew them firmly into place. 先用大针脚将褶子松松地缀住，然后再将其缝纫到位。
- She resented his persistent approaches. 他一再地表示亲近使她很反感。
- The new restaurant fold up in less than a year. 这家餐厅不到一年就歇业了。
- He will persist in riding that dreadful bicycle. 他执意要骑那辆破自行车。
- Score the paper to make it easy to fold. 在纸上先划好印子，以便折叠。
- The back seat of the car folds down to sleep two. 这辆汽车的后座放下来可供两个人睡觉。
- If you persist, you will annoy them even more. 你若固执，他们就更恼火了。
- Cancer is a kind of persistent ailment. 癌症是一种顽症。
- The show will fold after Friday's performance. 星期五演出后就要停演了。
- He has shown a persistent neglect of duty. 他一贯玩忽职守。
- The persistent inability to conceive a child. 不孕持续的不能怀孕的能力
- The optical system of the eye stimulate cell of the retina. 眼睛的视觉系统刺激视网膜内的细胞。
- The bed folds away (into the wall). 那张床可以摺叠收拢(到墙里面去).
- Sight is made possible by rays of light impinging on the retina. 由于光线射到视网膜上,眼睛才看得见。
- The fastening or opening covered by such a fold. 被纽扣盖盖住的开口覆有此种折叠的拴紧物或钉扣处
- He took out the milk, and fold in an egg. 他取出牛奶,把一只鸡蛋拌进去。
- The paper tore easily along the fold. 按摺痕一撕,很容易纸就撕下来了。
